Tunis to Upper Alton time converter

Upper Alton is 6 hours behind Tunis. When it is 9:00 AM in Tunis, it is 3:00 AM in Upper Alton.

Tunis CET

Tuesday, October 20, 2026

Upper Alton CDT

Monday, October 19, 2026

Tunis
Tunisia
Tue, Oct 20
CETUTC+1
Upper Alton
Illinois, United States
Mon, Oct 19
CDTUTC-5-6h
Finding your time zone…
Shared working hours (9:00–18:00)

Tunis to Upper Alton conversion table

Every hour of today in Tunis and the matching time in Upper Alton. Light rows are typical working hours (9:00–18:00).

TunisUpper Alton
12:00 AM6:00 PM−1 day
1:00 AM7:00 PM−1 day
2:00 AM8:00 PM−1 day
3:00 AM9:00 PM−1 day
4:00 AM10:00 PM−1 day
5:00 AM11:00 PM−1 day
6:00 AM12:00 AM
7:00 AM1:00 AM
8:00 AM2:00 AM
9:00 AM3:00 AM
10:00 AM4:00 AM
11:00 AM5:00 AM
12:00 PM6:00 AM
1:00 PM7:00 AM
2:00 PM8:00 AM
3:00 PM9:00 AM
4:00 PM10:00 AM
5:00 PM11:00 AM
6:00 PM12:00 PM
7:00 PM1:00 PM
8:00 PM2:00 PM
9:00 PM3:00 PM
10:00 PM4:00 PM
11:00 PM5:00 PM

Best time to call or meet

Both sides are at work from 3:00 PM – 6:00 PM in Tunis (9:00 AM – 12:00 PM in Upper Alton).

Daylight saving time and the difference

The difference changes during the year because Tunis and Upper Alton switch clocks on different dates:

  • Oct 20, 2026 – Nov 1, 2026: -6h
  • Nov 1, 2026 – Mar 14, 2027: -7h
  • Mar 14, 2027 – Oct 20, 2027: -6h

Distance

Tunis and Upper Alton are 8,300 km (5,157 miles) apart in a straight line.

More conversions

Upper Alton to TunisTunis to New YorkTunis to LondonTunis to Los AngelesTunis to ChicagoTunis to TorontoTunis to São PauloTunis to ParisTunis to BerlinTunis to MoscowTunis to DubaiTunis to New DelhiTunis to Bangkok
New York to Upper AltonLondon to Upper AltonLos Angeles to Upper AltonChicago to Upper AltonToronto to Upper AltonSão Paulo to Upper AltonParis to Upper AltonBerlin to Upper AltonMoscow to Upper AltonDubai to Upper AltonNew Delhi to Upper AltonBangkok to Upper Alton

Questions and answers

What is the time difference between Tunis and Upper Alton?

Upper Alton is 6 hours behind Tunis.

What time is it in Upper Alton when it is 9 AM in Tunis?

When it is 9:00 AM in Tunis, it is 3:00 AM in Upper Alton.

When is the best time to call Upper Alton from Tunis?

Both sides are at work from 3:00 PM – 6:00 PM in Tunis (9:00 AM – 12:00 PM in Upper Alton).

Does the time difference between Tunis and Upper Alton change?

Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.